Petroleum chemistry
[化] 石油化学
🧩 词语组成解析
chemistry
['kɛmɪstri]
n. 化学;物质的化学组成（或性质），化学作用（现象）;（常指有强烈性吸引力的）两人间的关系;〈比喻〉神秘的变化（过程）;
chemist药剂师+ry...业 →化学
🗣️ 情景例句
We must prepare ourselves to have a hard time.
我们必须准备过艰苦的日子。
One rotten apple spoils the whole barrel.
一只烂苹果烂一萝苹果。
He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。